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The Periodic Table
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is known as the most important tool in a chemical laboratory.The elements in are classified into groups or families. provides an easy way to show the divission of the elements into acid-forming and base-forming types.It is also a universal t .... Middle of Term Paper
... the next period. To express this, Mendeleev stated the periodic law: The properties of the elements are periodic functions of the atomic weights.
provides an easy way to show the division of the elements into acid-forming and base-forming types. Those on the left are base-forming; those on the right are acid-forming. Those in between can be either. They have so-called amphoteric oxides and hydroxides that can act like acids or bases. 's arrangement also divides the elements into metallic and nonmetallic kinds. A distinction is usually made between most pure metals and nonmetals according to physical and chemical properties.
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| Number of Words: 340 |
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